Entergy said it intends to close the Palisades Nuclear Power Plant in Michigan in October of 2018, part of the company’s efforts to reduce its merchant power fleet amid low prices in the wholesale market.

Casey’s General Stores Inc. said its earnings fell 28% in the latest quarter as the convenience store and gas-station operator’s bottom line was hit by weaker fuel margins and lower-than-expected revenue.

Boeing Co. agreed to acquire Liquid Robotics, maker of a wave and solar-powered autonomous robot, building on a collaboration between the companies and expanding Boeing’s capabilities in unmanned underwater vehicles.

Carnival Corp.’s Princess Cruise Lines agreed to pay a $40 million penalty and to plead guilty to seven criminal charges stemming from the cruise company’s polluting the seas and efforts to cover it up.

CSX Corp. reported improving demand trends for the current quarter in many of its markets, particularly for coal, which in recent years has seen shipment declines that have hit results across the railroad sector.

TJX Cos., parent of T.J. Maxx and other off-price chains, reported better-than-expected results for the latest three months, though the company’s guidance for the holiday quarter fell short of expectations.